src/haptic/SDL_haptic.c
author Edward Rudd <urkle@outoforder.cc>
Wed, 26 Sep 2012 14:08:46 -0400
changeset 6462 5e09ac1aba80
parent 6389 43a190ad60a7
child 6690 9548c8a58103
permissions -rwxr-xr-x
allocate *Hint structures per Xlib docs
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#include "SDL_syshaptic.h"
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#include "SDL_haptic_c.h"
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#include "../joystick/SDL_joystick_c.h" /* For SDL_PrivateJoystickValid */
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Uint8 SDL_numhaptics = 0;
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SDL_Haptic **SDL_haptics = NULL;
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/*
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 * Initializes the Haptic devices.
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 */
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int
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SDL_HapticInit(void)
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{
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    int arraylen;
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    int status;
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    SDL_numhaptics = 0;
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    status = SDL_SYS_HapticInit();
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    if (status >= 0) {
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        arraylen = (status + 1) * sizeof(*SDL_haptics);
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        SDL_haptics = (SDL_Haptic **) SDL_malloc(arraylen);
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        if (SDL_haptics == NULL) {      /* Out of memory. */
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            SDL_numhaptics = 0;
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        } else {
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            SDL_memset(SDL_haptics, 0, arraylen);
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            SDL_numhaptics = status;
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        }
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        status = 0;
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    }
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    return status;
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}
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/*
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 * Checks to see if the haptic device is valid
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 */
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static int
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ValidHaptic(SDL_Haptic * haptic)
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{
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    int i;
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    int valid;
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    valid = 0;
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    if (haptic != NULL) {
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        for (i = 0; i < SDL_numhaptics; i++) {
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            if (SDL_haptics[i] == haptic) {
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                valid = 1;
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                break;
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            }
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        }
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    }
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    /* Create the error here. */
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    if (valid == 0) {
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        SDL_SetError("Haptic: Invalid haptic device identifier");
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    }
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    return valid;
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}
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/*
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 * Returns the number of available devices.
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 */
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int
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SDL_NumHaptics(void)
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{
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    return SDL_numhaptics;
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}
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/*
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 * Gets the name of a Haptic device by index.
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 */
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const char *
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SDL_HapticName(int device_index)
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{
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    if ((device_index < 0) || (device_index >= SDL_numhaptics)) {
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        SDL_SetError("Haptic: There are %d haptic devices available",
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                     SDL_numhaptics);
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        return NULL;
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    }
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    return SDL_SYS_HapticName(device_index);
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}
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/*
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 * Opens a Haptic device.
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 */
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SDL_Haptic *
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SDL_HapticOpen(int device_index)
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{
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    int i;
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    SDL_Haptic *haptic;
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    if ((device_index < 0) || (device_index >= SDL_numhaptics)) {
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        SDL_SetError("Haptic: There are %d haptic devices available",
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                     SDL_numhaptics);
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        return NULL;
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    }
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    /* If the haptic is already open, return it */
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    for (i = 0; SDL_haptics[i]; i++) {
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        if (device_index == SDL_haptics[i]->index) {
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            haptic = SDL_haptics[i];
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            ++haptic->ref_count;
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            return haptic;
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        }
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    }
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    /* Create the haptic device */
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    haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic));
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    if (haptic == NULL) {
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        SDL_OutOfMemory();
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        return NULL;
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    }
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    /* Initialize the haptic device */
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    SDL_memset(haptic, 0, (sizeof *haptic));
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    haptic->rumble_id = -1;
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    haptic->index = device_index;
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    if (SDL_SYS_HapticOpen(haptic) < 0) {
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        SDL_free(haptic);
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        return NULL;
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    }
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    /* Disable autocenter and set gain to max. */
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    if (haptic->supported & SDL_HAPTIC_GAIN)
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        SDL_HapticSetGain(haptic, 100);
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    if (haptic->supported & SDL_HAPTIC_AUTOCENTER)
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        SDL_HapticSetAutocenter(haptic, 0);
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    /* Add haptic to list */
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    ++haptic->ref_count;
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    for (i = 0; SDL_haptics[i]; i++)
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        /* Skip to next haptic */ ;
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    SDL_haptics[i] = haptic;
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    return haptic;
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}
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/*
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 * Returns 1 if the device has been opened.
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 */
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int
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SDL_HapticOpened(int device_index)
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{
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    int i, opened;
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    opened = 0;
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    for (i = 0; SDL_haptics[i]; i++) {
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        if (SDL_haptics[i]->index == (Uint8) device_index) {
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            opened = 1;
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            break;
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        }
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    }
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    return opened;
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}
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/*
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 * Returns the index to a haptic device.
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 */
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int
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SDL_HapticIndex(SDL_Haptic * haptic)
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{
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    if (!ValidHaptic(haptic)) {
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        return -1;
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    }
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    return haptic->index;
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}
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/*
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 * Returns SDL_TRUE if mouse is haptic, SDL_FALSE if it isn't.
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 */
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int
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SDL_MouseIsHaptic(void)
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{
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    if (SDL_SYS_HapticMouse() < 0)
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        return SDL_FALSE;
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    return SDL_TRUE;
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}
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/*
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 * Returns the haptic device if mouse is haptic or NULL elsewise.
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 */
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SDL_Haptic *
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SDL_HapticOpenFromMouse(void)
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{
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    int device_index;
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    device_index = SDL_SYS_HapticMouse();
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   222
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    if (device_index < 0) {
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        SDL_SetError("Haptic: Mouse isn't a haptic device.");
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        return NULL;
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   226
    }
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    return SDL_HapticOpen(device_index);
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}
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   231
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/*
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 * Returns SDL_TRUE if joystick has haptic features.
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   234
 */
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int
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SDL_JoystickIsHaptic(SDL_Joystick * joystick)
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{
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    int ret;
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   239
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    /* Must be a valid joystick */
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   241
    if (!SDL_PrivateJoystickValid(&joystick)) {
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   242
        return -1;
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   243
    }
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    ret = SDL_SYS_JoystickIsHaptic(joystick);
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   246
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   247
    if (ret > 0)
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   248
        return SDL_TRUE;
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   249
    else if (ret == 0)
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   250
        return SDL_FALSE;
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   251
    else
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   252
        return -1;
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   253
}
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   256
/*
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   257
 * Opens a haptic device from a joystick.
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   258
 */
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SDL_Haptic *
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SDL_HapticOpenFromJoystick(SDL_Joystick * joystick)
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   261
{
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   262
    int i;
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   263
    SDL_Haptic *haptic;
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   264
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   265
    /* Must be a valid joystick */
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   266
    if (!SDL_PrivateJoystickValid(&joystick)) {
3232
aa8de4b80772 Patch by Janosch Gräf <janosch.graef@gmx.net>
Edgar Simo <bobbens@gmail.com>
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   267
        SDL_SetError("Haptic: Joystick isn't valid.");
2713
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   268
        return NULL;
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   269
    }
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    /* Joystick must be haptic */
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    if (SDL_SYS_JoystickIsHaptic(joystick) <= 0) {
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   273
        SDL_SetError("Haptic: Joystick isn't a haptic device.");
2713
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        return NULL;
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   275
    }
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    /* Check to see if joystick's haptic is already open */
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   278
    for (i = 0; SDL_haptics[i]; i++) {
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   279
        if (SDL_SYS_JoystickSameHaptic(SDL_haptics[i], joystick)) {
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   280
            haptic = SDL_haptics[i];
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   281
            ++haptic->ref_count;
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   282
            return haptic;
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   283
        }
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   284
    }
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   285
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   286
    /* Create the haptic device */
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parents:
diff changeset
   287
    haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic));
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parents:
diff changeset
   288
    if (haptic == NULL) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   289
        SDL_OutOfMemory();
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
   290
        return NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
    }
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parents:
diff changeset
   292
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
   293
    /* Initialize the haptic device */
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parents:
diff changeset
   294
    SDL_memset(haptic, 0, sizeof(SDL_Haptic));
5360
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   295
    haptic->rumble_id = -1;
2713
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
   296
    if (SDL_SYS_HapticOpenFromJoystick(haptic, joystick) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   297
        SDL_free(haptic);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
   298
        return NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   299
    }
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parents:
diff changeset
   300
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
    /* Add haptic to list */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   302
    ++haptic->ref_count;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   303
    for (i = 0; SDL_haptics[i]; i++)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   304
        /* Skip to next haptic */ ;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   305
    SDL_haptics[i] = haptic;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   306
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   307
    return haptic;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   308
}
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   309
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   310
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   311
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   312
 * Closes a SDL_Haptic device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   313
 */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   314
void
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   315
SDL_HapticClose(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   316
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   317
    int i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   318
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   319
    /* Must be valid */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   320
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   321
        return;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   322
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   323
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   324
    /* Check if it's still in use */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   325
    if (--haptic->ref_count < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   326
        return;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   327
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   328
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   329
    /* Close it, properly removing effects if needed */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   330
    for (i = 0; i < haptic->neffects; i++) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   331
        if (haptic->effects[i].hweffect != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   332
            SDL_HapticDestroyEffect(haptic, i);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   333
        }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   335
    SDL_SYS_HapticClose(haptic);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   336
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   337
    /* Remove from the list */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   338
    for (i = 0; SDL_haptics[i]; ++i) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   339
        if (haptic == SDL_haptics[i]) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   340
            SDL_haptics[i] = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   341
            SDL_memcpy(&SDL_haptics[i], &SDL_haptics[i + 1],
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   342
                       (SDL_numhaptics - i) * sizeof(haptic));
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   343
            break;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   344
        }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   345
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   347
    /* Free */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   348
    SDL_free(haptic);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   349
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   350
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   351
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   352
 * Cleans up after the subsystem.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   353
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   354
void
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   355
SDL_HapticQuit(void)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   356
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   357
    SDL_SYS_HapticQuit();
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   358
    if (SDL_haptics != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   359
        SDL_free(SDL_haptics);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
        SDL_haptics = NULL;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
    SDL_numhaptics = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   365
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   366
 * Returns the number of effects a haptic device has.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   369
SDL_HapticNumEffects(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   370
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   371
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   372
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   373
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   374
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   375
    return haptic->neffects;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
 * Returns the number of effects a haptic device can play.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
SDL_HapticNumEffectsPlaying(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   384
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   385
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   386
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   387
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   389
    return haptic->nplaying;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   390
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   391
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   392
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
 * Returns supported effects by the device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
unsigned int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
SDL_HapticQuery(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
    return haptic->supported;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
 * Returns the number of axis on the device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
SDL_HapticNumAxes(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
    return haptic->naxes;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
 * Checks to see if the device can support the effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
SDL_HapticEffectSupported(SDL_Haptic * haptic, SDL_HapticEffect * effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
    if ((haptic->supported & effect->type) != 0)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
        return SDL_TRUE;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
    return SDL_FALSE;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
 * Creates a new haptic effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
SDL_HapticNewEffect(SDL_Haptic * haptic, SDL_HapticEffect * effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
    int i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
    /* Check for device validity. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
    /* Check to see if effect is supported */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
    if (SDL_HapticEffectSupported(haptic, effect) == SDL_FALSE) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
        SDL_SetError("Haptic: Effect not supported by haptic device.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
    /* See if there's a free slot */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
    for (i = 0; i < haptic->neffects; i++) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
        if (haptic->effects[i].hweffect == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
            /* Now let the backend create the real effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
            if (SDL_SYS_HapticNewEffect(haptic, &haptic->effects[i], effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
                != 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
                return -1;      /* Backend failed to create effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
            }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
            SDL_memcpy(&haptic->effects[i].effect, effect,
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
                       sizeof(SDL_HapticEffect));
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
            return i;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
        }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
    SDL_SetError("Haptic: Device has no free space left.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
    return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
 * Checks to see if an effect is valid.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
static int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
ValidEffect(SDL_Haptic * haptic, int effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
    if ((effect < 0) || (effect >= haptic->neffects)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
        SDL_SetError("Haptic: Invalid effect identifier.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
        return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
    return 1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
 * Updates an effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
SDL_HapticUpdateEffect(SDL_Haptic * haptic, int effect,
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
                       SDL_HapticEffect * data)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
    if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
    /* Can't change type dynamically. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
    if (data->type != haptic->effects[effect].effect.type) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
        SDL_SetError("Haptic: Updating effect type is illegal.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
    /* Updates the effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
    if (SDL_SYS_HapticUpdateEffect(haptic, &haptic->effects[effect], data) <
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
        0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
    SDL_memcpy(&haptic->effects[effect].effect, data,
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
               sizeof(SDL_HapticEffect));
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
    return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   516
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   517
 * Runs the haptic effect on the device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   519
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
SDL_HapticRunEffect(SDL_Haptic * haptic, int effect, Uint32 iterations)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   522
    if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   523
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   524
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
    /* Run the effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
    if (SDL_SYS_HapticRunEffect(haptic, &haptic->effects[effect], iterations)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
        < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
    return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
 * Stops the haptic effect on the device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   538
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
SDL_HapticStopEffect(SDL_Haptic * haptic, int effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
    if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
    /* Stop the effect */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
    if (SDL_SYS_HapticStopEffect(haptic, &haptic->effects[effect]) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
    return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
 * Gets rid of a haptic effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   555
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   556
void
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
SDL_HapticDestroyEffect(SDL_Haptic * haptic, int effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   558
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   559
    if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   560
        return;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
    /* Not allocated */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
    if (haptic->effects[effect].hweffect == NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
        return;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
    SDL_SYS_HapticDestroyEffect(haptic, &haptic->effects[effect]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
 * Gets the status of a haptic effect.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
SDL_HapticGetEffectStatus(SDL_Haptic * haptic, int effect)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
    if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
    if ((haptic->supported & SDL_HAPTIC_STATUS) == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
        SDL_SetError("Haptic: Device does not support status queries.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
    return SDL_SYS_HapticGetEffectStatus(haptic, &haptic->effects[effect]);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
 * Sets the global gain of the device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
SDL_HapticSetGain(SDL_Haptic * haptic, int gain)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
    const char *env;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
    int real_gain, max_gain;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
    if ((haptic->supported & SDL_HAPTIC_GAIN) == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
        SDL_SetError("Haptic: Device does not support setting gain.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
    if ((gain < 0) || (gain > 100)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
        SDL_SetError("Haptic: Gain must be between 0 and 100.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   609
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   611
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
    /* We use the envvar to get the maximum gain. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
    env = SDL_getenv("SDL_HAPTIC_GAIN_MAX");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
    if (env != NULL) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   615
        max_gain = SDL_atoi(env);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
        /* Check for sanity. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
        if (max_gain < 0)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
            max_gain = 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
        else if (max_gain > 100)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
            max_gain = 100;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
        /* We'll scale it linearly with SDL_HAPTIC_GAIN_MAX */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   624
        real_gain = (gain * max_gain) / 100;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   625
    } else {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   626
        real_gain = gain;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   627
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   628
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   629
    if (SDL_SYS_HapticSetGain(haptic, real_gain) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
    return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   636
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
 * Makes the device autocenter, 0 disables.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
SDL_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
    if ((haptic->supported & SDL_HAPTIC_AUTOCENTER) == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
        SDL_SetError("Haptic: Device does not support setting autocenter.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   649
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
    if ((autocenter < 0) || (autocenter > 100)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
        SDL_SetError("Haptic: Autocenter must be between 0 and 100.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   655
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
    if (SDL_SYS_HapticSetAutocenter(haptic, autocenter) < 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   657
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
    return 0;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
 * Pauses the haptic device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
SDL_HapticPause(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
    if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
        SDL_SetError("Haptic: Device does not support setting pausing.");
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   675
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   676
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   677
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   678
    return SDL_SYS_HapticPause(haptic);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   679
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   680
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   681
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   682
 * Unpauses the haptic device.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   683
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   684
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   685
SDL_HapticUnpause(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   686
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   687
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   688
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   689
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   691
    if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   692
        return 0;               /* Not going to be paused, so we pretend it's unpaused. */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
    return SDL_SYS_HapticUnpause(haptic);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   696
}
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   697
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   698
/*
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   699
 * Stops all the currently playing effects.
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   700
 */
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   701
int
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   702
SDL_HapticStopAll(SDL_Haptic * haptic)
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
{
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
    if (!ValidHaptic(haptic)) {
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
        return -1;
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
    }
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
    return SDL_SYS_HapticStopAll(haptic);
0906692aa6a4 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   709
}
5360
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   710
5362
074fc8730031 Fixed compiler warning
Sam Lantinga <slouken@libsdl.org>
parents: 5360
diff changeset
   711
static void
5360
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   712
SDL_HapticRumbleCreate(SDL_HapticEffect * efx)
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   713
{
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   714
   SDL_memset(efx, 0, sizeof(SDL_HapticEffect));
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   715
   efx->type = SDL_HAPTIC_SINE;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   716
   efx->periodic.period = 1000;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   717
   efx->periodic.magnitude = 0x4000;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   718
   efx->periodic.length = 5000;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   719
   efx->periodic.attack_length = 0;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   720
   efx->periodic.fade_length = 0;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   721
}
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   722
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   723
/*
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   724
 * Checks to see if rumble is supported.
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   725
 */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   726
int
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   727
SDL_HapticRumbleSupported(SDL_Haptic * haptic)
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   728
{
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   729
    SDL_HapticEffect efx;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   730
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   731
    if (!ValidHaptic(haptic)) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   732
        return -1;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   733
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   734
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   735
    SDL_HapticRumbleCreate(&efx);
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   736
    return SDL_HapticEffectSupported(haptic, &efx);
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   737
}
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   738
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   739
/*
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   740
 * Initializes the haptic device for simple rumble playback.
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   741
 */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   742
int
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   743
SDL_HapticRumbleInit(SDL_Haptic * haptic)
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   744
{
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   745
    if (!ValidHaptic(haptic)) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   746
        return -1;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   747
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   748
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   749
    /* Already allocated. */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   750
    if (haptic->rumble_id >= 0) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   751
        return 0;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   752
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   753
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   754
    /* Copy over. */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   755
    SDL_HapticRumbleCreate(&haptic->rumble_effect);
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   756
    haptic->rumble_id = SDL_HapticNewEffect(haptic, &haptic->rumble_effect);
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   757
    if (haptic->rumble_id >= 0) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   758
        return 0;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   759
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   760
    return -1;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   761
}
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   762
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   763
/*
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   764
 * Runs simple rumble on a haptic device
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   765
 */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   766
int
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   767
SDL_HapticRumblePlay(SDL_Haptic * haptic, float strength, Uint32 length)
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   768
{
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   769
    SDL_HapticPeriodic *efx;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   770
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   771
    if (!ValidHaptic(haptic)) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   772
        return -1;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   773
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   774
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   775
    if (haptic->rumble_id < 0) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   776
        SDL_SetError("Haptic: Rumble effect not initialized on haptic device");
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   777
        return -1;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   778
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   779
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   780
    /* Clamp strength. */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   781
    if (strength > 1.0f) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   782
        strength = 1.0f;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   783
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   784
    else if (strength < 0.0f) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   785
        strength = 0.0f;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   786
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   787
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   788
    /* New effect. */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   789
    efx = &haptic->rumble_effect.periodic;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   790
    efx->magnitude = (Sint16)(32767.0f*strength);
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   791
    efx->length = length;
6389
43a190ad60a7 Removed some unused variables that gcc 4.6.1 complains about.
Ryan C. Gordon <icculus@icculus.org>
parents: 6138
diff changeset
   792
    SDL_HapticUpdateEffect(haptic, haptic->rumble_id, &haptic->rumble_effect);
5360
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   793
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   794
    return SDL_HapticRunEffect(haptic, haptic->rumble_id, 1);
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   795
}
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   796
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   797
/*
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   798
 * Stops the simple rumble on a haptic device.
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   799
 */
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   800
int
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   801
SDL_HapticRumbleStop(SDL_Haptic * haptic)
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   802
{
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   803
    if (!ValidHaptic(haptic)) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   804
        return -1;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   805
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   806
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   807
    if (haptic->rumble_id < 0) {
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   808
        SDL_SetError("Haptic: Rumble effect not initialized on haptic device");
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   809
        return -1;
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   810
    }
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   811
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   812
    return SDL_HapticStopEffect(haptic, haptic->rumble_id);
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   813
}
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   814
220d3af9121f Simple rumble API for haptic
Sam Lantinga <slouken@libsdl.org>
parents: 4472
diff changeset
   815